USPS New Chien-Shiung Wu Pane of 20

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USPS New Chien-Shiung Wu Pane of 20
USPS New Chien-Shiung Wu Pane of 20
Item Description
This is the new USPS Chien-Shiung Wu Pane of 20. This new Forever® stamp from the U.S. Postal Service honors Dr. Chien-Shiung Wu (1912–1997), one of the most influential nuclear physicists of the 20th century.
The stamp art features a detailed portrait of Wu—drawn first in graphite and then rendered in egg tempera paint—wearing a black-and-white high-collared, traditional Chinese gown known as qipao. The background was painted with the pigment lapis lazuli, an ancient, highly valued color historically used in artistic depictions of angels, nobility, and the Virgin Mary.
During a career that spanned more than 40 years in a field dominated by men, Wu established herself as the authority on conducting precise and accurate research to test fundamental theories of physics.
In 1944, Wu accepted a position under the Division of War Research at Columbia University working on uranium enrichment and radiation detectors for the Manhattan Project. Conducting highly classified research for the production of the world’s first atomic bomb, Wu made invaluable contributions to the experimental process of splitting and harnessing the power of the uranium atom.
After the war ended, Wu stayed on at Columbia as a research professor, focusing her experimentation on beta decay. With ingenuity and careful research, she created a more precise spectrometer to finally explain the problem of beta decay, one that had plagued physicists in America and across Europe for decades.
In 1956, theoretical physicists Tsung-Dao Lee and Chen-Ning Yang approached Wu for help in developing a theory that disproved the foundational principle of conservation of parity. Wu created a thoughtful and intricate experiment to test the theory. She observed that, in weak interactions, parity is not conserved—a finding that overturned a decades-old, intrinsic element of quantum mechanics and earned the lead physicists the Nobel Prize in Physics.
Art director Ethel Kessler designed the stamp with original art by Kam Mak.
The Chien-Shiung Wu stamp is being issued as a Forever® stamp in panes of 20.
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A self-supporting government enterprise, the U.S. Postal Service is the only delivery service that reaches every address in the nation: 152 million residences, businesses and Post Office Boxes. The Postal Service receives no tax dollars for operating expenses and relies on the sale of postage, products and services to fund its operations. With more than 31,000 retail locations and the most frequently visited website in the federal government, USPS.com, the Postal Service has annual revenue of more than billion and delivers nearly 40 percent of the world's mail. The Postal Service has been named the Most Trusted Government Agency for seven years and the fourth Most Trusted Business in the nation by the Ponemon Institute.
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All orders are shipped from Kansas City, Missouri via USPS Priority Mail service.
Orders over 0 will be shipped USPS Priority Mail with Signature Confirmation.
You can typically expect your order to arrive at your shipping address 4 - 5 business days from the date you place your order.
Order processing for order shipment at USPS takes place Monday through Friday, excluding Postal Holidays (see Postal Holidays section below for complete listing).
Orders may be shipped to all 50 non-contiguous United States including Post Office boxes, US Territories, APO / FPO / DPO addresses, and foreign addresses (international orders).
Handling Fees
All stamp and philatelic product orders are charged .25 for orders up to .00 and .75 for orders .01 and greater.
An additional .00 surcharge will be added to the handling fees for an international order to be mailed to a foreign address (an address outside the United States or its territories).
Why does USPS charge a handling fee?
A Handling Fee is charged to cover the cost of materials and transportation for orders filled through Stamp Fulfillment Services in Kansas City, Missouri.
Postal Holidays
The United States Postal Service observes the following holidays:
New Year's Day
Martin Luther King, Jr. Birthday
Washington's Birthday (Presidents' Day)
Memorial Day
Independence Day
Labor Day
Columbus Day
Veterans' Day
Thanksgiving Day
Christmas Day
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We strive to deliver stamps of the highest quality. However, if you receive a damaged or flawed item, it may be returned for an exchange. Please complete the merchandise return form located at the bottom portion of your pack slip within 30 days of order receipt. Be sure to include a copy of your entire exchange / order form / pack slip with the return shipment. You must return the complete product for exchanges.
Mail your product to the address below for Exchanges
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Stamp Fulfillment Services
PO Box 219424
Kansas City, MO 64121- 9424
Be sure to include the following information:
Customer Number / ID
Full ordering name
PayPal account information
Amount of the order
Date your order was placed
Shipping information (if different from the billing information)
Order number (if available)
You can also reach us by mail at:
eBay Customer Exchanges
Stamp Fulfillment Services
PO Box 219424
Kansas City, MO 64121- 9424
No refunds, but item is covered by eBay Buyer Protection.
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We accept PayPal payments during checkout. Immediate payment is also required for all transactions, meaning all items will be paid for at the time of checkout before the sale is finalized.
USPS is not required to charge sales taxes for online orders on stamps or products.
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You can email us by "
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Be sure to include the following information:
Customer Number / ID
Full ordering name
PayPal account information
Amount of the order
Date your order was placed
Shipping information (if different from the billing information)
Order number (if available)
You can also reach us by mail at:
eBay Customer Exchanges
Stamp Fulfillment Services
PO Box 219424
Kansas City, MO 64121- 9424
No refunds, but item is covered by eBay Buyer Protection.
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